AquaChoice® PAK Stop is a unique, extreme-performance, high-elastic trowel filler for closing wide joints; perfectly suitable also for plank flooring. It is certified to block problematic polycyclic aromatic hydro-carbons, for example, emerging from old adhesives under historical wood floors. By mixing AquaChoice® PAK Stop with AquaChoice® PafukiPowder color, the final performance and individual color are easily achieved.